Re: kern/57037: unncessary and unwarranted RTM_NEWADDR for IPv6 routing messages

[Joerg Sonnenberger <joerg%bec.de@localhost>]

The following reply was made to PR kern/57037; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%bec.de@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
	netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/57037: unncessary and unwarranted RTM_NEWADDR for IPv6
 routing messages
Date: Fri, 30 Sep 2022 13:31:42 +0200

 Am Fri, Sep 30, 2022 at 09:25:01AM +0000 schrieb kardel%netbsd.org@localhost:
 > >How-To-Repeat:
 > 	let NetBSD autoconfigure IPv6 and watch "route monitor".
 > 
 > RTM_NEWADDR: address being added to iface: len 120, pid 1709, metric 0, addrflags: 0x40<AUTOCONF>
 > sockaddrs: 0x34<NETMASK,IFP,IFA>
 >  ffff:ffff:ffff:ffff:: aa:00:00:00:00:01 xxxx:yyyy:zzzz:rrrr:ssss:tttt:uuuu:vvvv
 > got message of size 112 on Fri Sep 30 08:24:57 2022
 > #12: len 112, got message of size 120 on Fri Sep 30 08:24:57 2022
 > RTM_NEWADDR: address being added to iface: len 120, pid 1709, metric 0, addrflags: 0x40<AUTOCONF>
 > sockaddrs: 0x34<NETMASK,IFP,IFA>
 >  ffff:ffff:ffff:ffff:: aa:00:00:00:00:01 xxxx:yyyy:zzzz:rrrr:ssss:tttt:uuuu:vvvv
 > got message of size 112 on Fri Sep 30 08:26:58 2022
 
 So what is the life time of the addresses? Are you sure your network
 isn't forcing a renewal every minute?
 
 Joerg